| From 1c226901aec38e2e824177418dcd82b6cd49ffca Mon Sep 17 00:00:00 2001 |
| From: Mahesh Bodapati <mbodapat@xilinx.com> |
| Date: Tue, 17 Jan 2017 17:04:37 +0530 |
| Subject: [PATCH 21/63] [Patch, microblaze]: Add cbranchsi4_reg This patch |
| optimizes the generation of pcmpne/pcmpeq instruction if the compare |
| instruction has no immediate values.For the immediate values the xor |
| instruction is generated |
| |
| Signed-off-by: Nagaraju Mekala <nmekala@xilix.com> |
| Signed-off-by: Ajit Agarwal <ajitkum@xilinx.com> |
| |
| ChangeLog: |
| 2015-01-13 Nagaraju Mekala <nmekala@xilix.com> |
| Ajit Agarwal <ajitkum@xilinx.com> |
| |
| *microblaze.md (cbranchsi4_reg): New |
| *microblaze.c (microblaze_expand_conditional_branch_reg): New |
| |
| Conflicts: |
| |
| gcc/config/microblaze/microblaze-protos.h |
| --- |
| gcc/config/microblaze/microblaze-protos.h | 2 +- |
| gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c | 2 +- |
| gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c | 2 +- |
| gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c | 2 +- |
| gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c | 2 +- |
| gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c | 14 +++++++------- |
| gcc/testsuite/gcc.target/microblaze/isa/vanilla.c | 12 ++++++------ |
| gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c | 2 +- |
| 8 files changed, 19 insertions(+), 19 deletions(-) |
| |
| diff --git a/gcc/config/microblaze/microblaze-protos.h b/gcc/config/microblaze/microblaze-protos.h |
| index 6647cbc..bdc9b69 100644 |
| --- a/gcc/config/microblaze/microblaze-protos.h |
| +++ b/gcc/config/microblaze/microblaze-protos.h |
| @@ -33,7 +33,7 @@ extern int microblaze_expand_shift (rtx *); |
| extern bool microblaze_expand_move (machine_mode, rtx *); |
| extern bool microblaze_expand_block_move (rtx, rtx, rtx, rtx); |
| extern void microblaze_expand_divide (rtx *); |
| -extern void microblaze_expand_conditional_branch (machine_mode, rtx *); |
| +extern void microblaze_expand_conditional_branch (enum machine_mode, rtx *); |
| extern void microblaze_expand_conditional_branch_reg (machine_mode, rtx *); |
| extern void microblaze_expand_conditional_branch_sf (rtx *); |
| extern int microblaze_can_use_return_insn (void); |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c |
| index 4041a24..ccc6a46 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp1.c |
| @@ -6,5 +6,5 @@ void float_func () |
| { |
| /* { dg-final { scan-assembler "fcmp\.(le|gt)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ |
| if (f2 <= f3) |
| - print ("le"); |
| + f2 = f3; |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c |
| index 3902b83..1dd5fe6 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp2.c |
| @@ -6,5 +6,5 @@ void float_func () |
| { |
| /* { dg-final { scan-assembler "fcmp\.(lt|ge)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ |
| if (f2 < f3) |
| - print ("lt"); |
| + f2 = f3; |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c |
| index 8555974..d6f80fb 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp3.c |
| @@ -6,5 +6,5 @@ void float_func () |
| { |
| /* { dg-final { scan-assembler "fcmp\.(eq|ne)\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ |
| if (f2 == f3) |
| - print ("eq"); |
| + f1 = f2 + f3; |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c |
| index 79cc5f9..d117724 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/fcmp4.c |
| @@ -5,5 +5,5 @@ void float_func(float f1, float f2, float f3) |
| /* { dg-final { scan-assembler "fcmp\.eq\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ |
| /* { dg-final { scan-assembler "fcmp\.le\tr(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1]),r(\[0-9]\|\[1-2]\[0-9]\|3\[0-1])\[^0-9]" } } */ |
| if(f1==f2 && f1<=f3) |
| - print ("f1 eq f2 && f1 le f3"); |
| + f2 = f3; |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c |
| index ebfb170..7582297 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/nofcmp.c |
| @@ -5,17 +5,17 @@ volatile float f1, f2, f3; |
| void float_func () |
| { |
| /* { dg-final { scan-assembler-not "fcmp" } } */ |
| - if (f2 <= f3) |
| - print ("le"); |
| + if (f2 <= f3) |
| + f1 = f3; |
| else if (f2 == f3) |
| - print ("eq"); |
| + f1 = f3; |
| else if (f2 < f3) |
| - print ("lt"); |
| + f1 = f3; |
| else if (f2 > f3) |
| - print ("gt"); |
| + f1 = f3; |
| else if (f2 >= f3) |
| - print ("ge"); |
| + f1 = f3; |
| else if (f2 != f3) |
| - print ("ne"); |
| + f1 = f3; |
| |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c |
| index 1d6ba80..532c035 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/isa/vanilla.c |
| @@ -74,16 +74,16 @@ void float_cmp_func () |
| { |
| /* { dg-final { scan-assembler-not "fcmp" } } */ |
| if (f2 <= f3) |
| - print ("le"); |
| + f1 = f3; |
| else if (f2 == f3) |
| - print ("eq"); |
| + f1 = f3; |
| else if (f2 < f3) |
| - print ("lt"); |
| + f1 = f3; |
| else if (f2 > f3) |
| - print ("gt"); |
| + f1 = f3; |
| else if (f2 >= f3) |
| - print ("ge"); |
| + f1 = f3; |
| else if (f2 != f3) |
| - print ("ne"); |
| + f1 = f3; |
| |
| } |
| diff --git a/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c b/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c |
| index fdcde1f..580b4db 100644 |
| --- a/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c |
| +++ b/gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c |
| @@ -5,4 +5,4 @@ void trap () |
| __builtin_trap (); |
| } |
| |
| -/* { dg-final { scan-assembler "brki\tr0,-1" } } */ |
| \ No newline at end of file |
| +/* { dg-final { scan-assembler "bri\t0" } } */ |
| -- |
| 2.7.4 |
| |